str="132132@qq.com"

print(str.split("@"))
print(str.split("@")[0] )
print(str.split("@")[1] ) 
print("---------------------------------------------------------------")
match str.split("@")[1]: 
    case "qq.com":
        print("QQ邮箱")
    case "163.com":
        print("网易邮箱")
    case _:
        print("其他邮箱")